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47 lines
1.2 KiB
C#
47 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace HighWayIot.Winform.Business
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{
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public class GeneralUtils
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{
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/// <summary>
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/// 在数组前面加一个空字符串
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/// </summary>
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/// <param name="str"></param>
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public static string[] HeadAddEmptyString(string[] str)
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{
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Array.Resize(ref str, str.Length + 1);
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Array.Copy(str, 0, str, 1, str.Length - 1);
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str[0] = string.Empty;
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return str;
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}
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/// <summary>
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/// 转换
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/// </summary>
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/// <param name="text"></param>
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/// <returns></returns>
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public static int? StringNullOrToInt(string text)
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{
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return int.TryParse(text, out int result) ? (int?)result : null;
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}
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public static string IntEmptyOrToString(int? value)
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{
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if (value == null)
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{
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return string.Empty;
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}
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else
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{
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return value.ToString();
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}
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}
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}
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}
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